1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portlet.xslcontent.util;
24  
25  import com.liferay.portal.kernel.util.ByteArrayMaker;
26  import com.liferay.portal.kernel.util.HttpUtil;
27  
28  import java.io.IOException;
29  import java.io.StringReader;
30  
31  import java.net.URL;
32  
33  import javax.xml.transform.Transformer;
34  import javax.xml.transform.TransformerException;
35  import javax.xml.transform.TransformerFactory;
36  import javax.xml.transform.stream.StreamResult;
37  import javax.xml.transform.stream.StreamSource;
38  
39  /**
40   * <a href="XSLContentUtil.java.html"><b><i>View Source</i></b></a>
41   *
42   * @author Brian Wing Shun Chan
43   */
44  public class XSLContentUtil {
45  
46      public static String DEFAULT_XML_URL =
47          "@portal_url@/html/portlet/xsl_content/example.xml";
48  
49      public static String DEFAULT_XSL_URL =
50          "@portal_url@/html/portlet/xsl_content/example.xsl";
51  
52      public static String transform(URL xmlURL, URL xslURL)
53          throws IOException, TransformerException {
54  
55          String xml = HttpUtil.URLtoString(xmlURL);
56          String xsl = HttpUtil.URLtoString(xslURL);
57  
58          StreamSource xmlSource = new StreamSource(new StringReader(xml));
59          StreamSource xslSource = new StreamSource(new StringReader(xsl));
60  
61          TransformerFactory transformerFactory =
62              TransformerFactory.newInstance();
63  
64          Transformer transformer =
65              transformerFactory.newTransformer(xslSource);
66  
67          ByteArrayMaker bam = new ByteArrayMaker();
68  
69          transformer.transform(xmlSource, new StreamResult(bam));
70  
71          return bam.toString();
72      }
73  
74  }